Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,400 questions

17,804 answers

1,438 comments

39,763 users

what is the area of a simicircle, with an base of 14mm, and a height of 2mm.

0 votes
area of a simicircle.
asked Mar 12, 2014 in GEOMETRY by payton Apprentice

1 Answer

0 votes

Here base means diameter of semicircle (d ) = 14mm.

d = 2r r = d/2 r = d/2 = 14/2 = 7 mm.

Area of a semicircle (A ) = πr 2/2.

Substitute the values  π = 3.14 and r  = 7.

A = (3.14)(7) 2/2

    = 3.14 * 49 / 2

    = 76.93.

Therefore, area of a semicircle is 76.93 mm ^2.

answered Mar 28, 2014 by lilly Expert

Related questions

...